/**
 *  Copyright 2002-2009 the original author or authors.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package foo.bar.blog.web.action.general;

import foo.bar.blog.core.domain.Resource;
import foo.bar.blog.core.services.BlogService;
import foo.bar.blog.web.action.BaseActionBean;
import foo.bar.blog.web.extension.ResourceTypeConverter;
import foo.bar.blog.web.nonextension.NullResolution;
import net.sourceforge.stripes.action.DefaultHandler;
import net.sourceforge.stripes.action.Resolution;
import net.sourceforge.stripes.action.StreamingResolution;
import net.sourceforge.stripes.integration.spring.SpringBean;
import net.sourceforge.stripes.validation.Validate;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.perf4j.aop.Profiled;

import javax.servlet.http.HttpServletResponse;

/**
 * @author tmjee
 * @version $Date: 2009-03-14 06:53:07 +0000 (Sat, 14 Mar 2009) $ $Id$
 */
public class ResourceActionBean extends BaseActionBean {

    private static final Log LOG = LogFactory.getLog(ResourceActionBean.class);


    @Validate(converter = ResourceTypeConverter.class)
    private Resource resource;


    @DefaultHandler
    @Profiled(tag="ResourceActionBean_view", logFailuresSeparately = true)
    public Resolution view() {
        if (resource == null) {
            LOG.warn("unable to get resource ["+resource+"]");
            return new NullResolution();
        }
        return new StreamingResolution(resource.getMimeType()) {
            protected void stream(HttpServletResponse response) throws Exception {
                response.setCharacterEncoding("UTF-8");
                response.setContentLength(resource.getContent().length);
                response.setContentType(resource.getMimeType());
                response.getOutputStream().write(resource.getContent());
            }
        };
    }


    public Resource getResource() {
        return resource;
    }

    public void setResource(Resource resource) {
        this.resource = resource;
    }

    private BlogService blogService;

    @SpringBean("blogService")
    public void setBlogService(BlogService blogService) {
        this.blogService = blogService;
    }
}
